package chapter1.service.array;

import chapter1.domain.entity.BaseEntity;
import chapter1.domain.entity.Dept;
import chapter1.domain.entity.dto.BaseDto;
import chapter1.domain.entity.dto.DeptDto;
import chapter1.domain.entity.vo.BaseVo;
import chapter1.domain.entity.vo.DeptVo;
import chapter1.domain.entity.vo.Result;
import chapter1.service.IBaseService;

import java.util.Arrays;

/**
 * 业务层-基类
 *
 * @author 郑植航
 * @since 2025/6/1 20:44
 */
@Deprecated
abstract class BaseService<Entity extends BaseEntity,Dto extends BaseDto,Vo extends BaseVo>
        implements IBaseService<Entity,Dto> {

    static final int DATA_SIZE=100;
    Entity[] data;
    Vo[] temp;
    private int idCounter=1;

    @Override
    public boolean existById(int id) {
        return id >= 1 && id <= idCounter && data[id] != null;
    }

    @Override
    public Entity findById(int id) {
        if (existById(id)) {
            return data[id];
        }
        return null;
    }

     abstract Vo convertToVo(Entity entity);


    @Override
    public Result list() {
        int length=0;
        for (int i = 0; i < idCounter; i++) {
            if(data[i]!=null){
                temp[length++]=convertToVo(data[i]);
            }
        }
        return Result.success("查询成功", Arrays.copyOf(temp,length));
    }


    abstract Entity createEntity(Dto dto, int id);

    @Override
    public Result create(Dto dto) {
        if(idCounter>DATA_SIZE){
            return Result.failure("创建失败，超出了存储容量");
        }

        Entity entity= createEntity(dto,idCounter++);
        data[entity.getId()]=entity;
        return Result.success("创建成功",null);
    }

    abstract void updateEntity(Dto dto,Entity entity);

    @Override
    public Result update(Dto dto, int id) {
        if (!existById(id)) {
            return Result.failure("更新失败，不存在该数据");
        }
        Entity entity= data[id];

        updateEntity(dto,entity);
        return Result.success("更新成功", null);
    }
}
